STMicroelectronics STTS22H

The STTS22H is an ultra-low-power, high accuracy, digital temperature sensor offering high performance over the entire operating temperature range.

The STTS22H is a band gap temperature sensor coupled with an A/D converter, signal processing logic and an I²C/SMBus 3.0 interface all in a single ASIC.

This sensor is housed in a small 2 x 2 x 0.50 mm 6-lead UDFN package with exposed pad down for a better temperature match with the surrounding environment.

The STTS22H is factory calibrated and requires no additional calibration efforts on the customer side.

Features

• Key features
  • Integrated high-accuracy temperature sensor
  • Factory calibrated
  • One-shot mode for power saving
• Electrical specifications
  • Supply voltage: 1.5 to 3.6 V
  • I²C, SMBus 3.0 with ALERT (ARA) support
  • Programmable thresholds with interrupt pin
  • Supports up to 1 MHz serial clock
  • Up to 2 I²C/SMBus slave addresses
  • Ultra-low current: 1.75 µA in one-shot mode
• Sensing specifications
  • Operating temperature -40 °C to +125 °C
  • Temperature accuracy (max.): ± 0.5 °C (-10 °C to +60 °C)
  • 16-bit temperature data output
• Package specifications
  • UDFN 2.0 x 2.0 x 0.50 mm, 6 leads with exposed pad down
  • ECOPACK, RoHS and “Green” compliant

Applications

• Wearable devices
• Smart home automation
• Asset and goods tracking
• Smartphones
• HVAC
• Refrigerators
• Air humidifiers
• Portable consumer devices
• White goods
• Thermostats

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